Hi,

One option is to put all texts in an offchip EEPROM. This is
mostly useful if you are short on program memory and/or already
have an external EEPROM for nonvolatile config storage (and the
interface code for it). Just remember to keep the most basic
texts which is needed even if the external EEPROM fails in on
chip program memory (like - EEPROM IC02 failure!).

Another thing about an LCD: The controller always have 80 bytes
of RAM for the display data + 64 bytes of RAM for user defined
characters, regardless of how many characters the display can
actually show. This means that the LCD is also working as a
general purpose off chip RAM for the bytes not used by the
display or user defined characters. Just make sure to not use
the CLR (and possibly scroll/shift commands). Of course, in
order to use it like this, the LCD has to be wired for both
read and write operations.


Ruben





==============================
Ruben Jvnsson
AB Liros Electronic
Box 9124, 200 39 Malmv, Sweden
TEL INT +46 40142078
FAX INT +46 40947388
ruben@pp.sbbs.se
==============================

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